Amended late night / early morning Great Western Railway service between London Paddington and Swansea from Monday 8 to Friday 12 December
Engineering work details
Starts Monday 08 December 2025 to Friday 12 December 2025
Train operators affected
Route(s) affected
between London Paddington and Swansea
Description
Engineering work is taking place overnight between Swindon and Chippenham and also in the Bridgend area, closing some lines.
Monday to Thursday:
The 20:48 London Paddington to Swansea will divert between Cardiff Central and Bridgend (via Ninian Park – not calling) arriving / departing Bridgend and beyond later than normal. On Wednesday and Thursday nights the train will incur 8 minutes additional journey time between Bridgend and Port Talbot Parkway.
The 21:48 London Paddington to Swansea will use this route as normal between Cardiff Central and Bridgend
(via Ninian Park – NOT calling). On Wednesday and Thursday nights the train will incur 8 minutes additional journey time between Bridgend and Port Talbot Parkway.
The 22:46 London Paddington to Swansea will divert between Swindon and Bristol Parkway, calling additionally at Chippenham and Bath Spa (set down only), then arrive / depart Bristol Parkway and beyond later than normal. Tis service will further divert between Cardiff Central and Bridgend (via Ninian Park – NOT calling) arriving/departing Bridgend and beyond later than normal. On Wednesday and Thursday nights the train will incur 8 minutes additional journey time between Bridgend and Port Talbot Parkway.
Tuesday to Friday:
The 03:46 Swansea to London Paddington will arrive / depart Bridgend and arrive Cardiff Central a few minutes later than normal. Normal timings departing Cardiff Central and beyond.
Check before you travel:
You can plan your journey using the National Rail Enquiries Journey Planner
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